Protogalaxy
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In cosmology, a protogalaxy is a cloud of gas which is forming into a galaxy. It is believed that the rate of star formation, during this period of galactic evolution, will determine whether a galaxy is a spiral or elliptic galaxy; a slower star formation tends to produce a spiral galaxy.
Template:Galaxy-stubet:Protogalaktikad fa:نیاکهکشان pl:Protogalaktyka sl:Protogalaksija